Educational Provision Of Advanced Level In Optical Fiber Manufacturer,Supplier and Exporter in China
Product Code : EL-LES-14172
General description:
- Training board, suitably constructed, to demonstrate the properties of fiber optic transmitter and receiver, the characteristics of fiber optic cables, various modulation / demodulation techniques, and PC-to-PC communication via optical coupling and RS-232 interface.
- Covered topics
- creation of analog and digital fiber optic link
- width modulation, using analog and digital signals
- frequency modulation system
- pulse width modulation system
- study of fiber optic loss propagation
- study of bending losses
- measurement of numerical aperture
- E-0 (LED) converter features
- fiber optic communication link characteristics
- create fiber optic voice link, using amplitude, frequency and pulse duration modulation
- error study, in AM, FM and PWM systems
- propagation losses, using an optical power meter
- Fully two-way computer communication, using RS-232 ports and software
- eye chart observation APPARTURE OK
- binary error rate measurement ???• binary error rate measurement ???
Specifications
- Transmitters with emission wavelength peak at 660nm and 950nm
- Two fiber optic receivers with photodetector
- Configuration techniques: AM, FM, PWM
- PLL Detector
- Two AC amplifiers
- Two comparators
- Two 4th class Butterworth Filters, with a cut-off frequency of 3.4kHz
- analog bandwidth: 350kHz
- Digital bandwidth: 2.5MHz
- Function generator: sinusoidal, configurable, (1kHz), and square (1kHz, TTL)
- Fiber optic voice link, with microphone and speaker (built-in)
- PC - PC communication, with two-channel RS-232
- Fiber optic cable: SMA connector
- Numerical opening better than 0.5
- Acceptance angle: better than 60
- fiber diameter 1mm, outer diameter 2.2mm
- Fiber length: 0.5m and 1m
- Connections with 4mm or 2mm sockets
- At least fifty test points